Filter cartridge



FIG. 1 is a perspective view of the filter cartridge showing the new design;

FIG. 2 is a front end elevational view of the filter cartridge;

FIG. 3 is a back end elevational view of the filter cartridge;

FIG. 4 is a left side elevational view of the filter cartridge;

FIG. 5 is a right side elevational view of the filter cartridge;

FIG. 6 is a top plan view of the filter cartridge; and,

FIG. 7 is a bottom plan view of the filter cartridge.

The broken lines shown in the drawings are for the purpose of illustrating portions of the filter cartridge that for no part of the claimed design. 

CLAIM The ornamental design for a filter cartridge, as shown and described. 